Introductory Physics Homework Help Forum

Post thread
Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Two waves Interfereing resulting waves interferes with another wave
  • · Replies 21 ·
Replies
21
Views
6K
How Do You Calculate the Period of an Electromagnetic Wave?
  • · Replies 1 ·
Replies
1
Views
4K
Induced Current circuit problem
  • · Replies 10 ·
Replies
10
Views
7K
Modeling Time to Reach Specific Pressure in Adiabatic Tire Inflation
  • · Replies 5 ·
Replies
5
Views
4K
Gravitational Potential Energy and Work Relationships
  • · Replies 1 ·
Replies
1
Views
2K
Displacement of String Waves at Point of Cross
  • · Replies 3 ·
Replies
3
Views
3K
Planet is 2.00 a.u. when closest to sun. eccentricty is .500. find period
  • · Replies 2 ·
Replies
2
Views
2K
Calculate Velocity to Reach Target: Sx=15000m, Sy=400m
  • · Replies 4 ·
Replies
4
Views
6K
Calculating Magnetic Field Between Parallel Wires
  • · Replies 3 ·
Replies
3
Views
9K
Distance between two charges where field strength = 0
  • · Replies 9 ·
Replies
9
Views
17K
Elastic collision in a pendulum
  • · Replies 1 ·
Replies
1
Views
5K
How much additional ethanol can be stored in a cooled steel tank?
  • · Replies 9 ·
Replies
9
Views
17K
Conservation of Mechanical Energy
  • · Replies 6 ·
Replies
6
Views
3K
Rocket Fuel Consumption: Calculation of 80kN Takeoff Rate
  • · Replies 4 ·
Replies
4
Views
2K
Thermodynamics - cyclic pressure/volume process
  • · Replies 2 ·
Replies
2
Views
13K
Sound intensity as a function of distance from source
  • · Replies 4 ·
Replies
4
Views
7K
Analyzing Hyperbolic Dynamics of Maps x_{n+1}=Ax_n
  • · Replies 1 ·
Replies
1
Views
2K
Mirror Image: Solving for Object Height & Location
  • · Replies 5 ·
Replies
5
Views
3K
Helium balloon in water and air
  • · Replies 1 ·
Replies
1
Views
4K
Rotational Dynamics of a meter stick
  • · Replies 11 ·
Replies
11
Views
3K
1-D Kinematics question, pls help
  • · Replies 9 ·
Replies
9
Views
4K
Mirror Word Problem: Focal Length & Image Characteristics
  • · Replies 2 ·
Replies
2
Views
3K
How can I accurately calculate distance using sound and various variables?
  • · Replies 2 ·
Replies
2
Views
4K
Conceptual Question on Elementary Thermodynamics
  • · Replies 3 ·
Replies
3
Views
2K
Force induced on a point charge by two conducting planes
  • · Replies 6 ·
Replies
6
Views
7K
Solving Nature of Atoms Homework: Part (a) ionization energy Z=2
  • · Replies 1 ·
Replies
1
Views
4K
Calculating Torque & Forces - Solve It Now
  • · Replies 1 ·
Replies
1
Views
2K
Units of Solid Angle: SI, Metric & Imperial Systems
  • · Replies 3 ·
Replies
3
Views
3K
How does the electric field affect the motion of particles?
  • · Replies 7 ·
Replies
7
Views
3K
QuestionExploring the Hubble Constant: Calculating Distance and Limitations
  • · Replies 2 ·
Replies
2
Views
3K
How Does Wave Speed Affect Pulse Travel Time and String Tension?
  • · Replies 5 ·
Replies
5
Views
23K
Solving Mechanical Waves: Determining Wavelength and Wavespeed
  • · Replies 3 ·
Replies
3
Views
20K
What is the Length of the Pendulum?
  • · Replies 6 ·
Replies
6
Views
7K
Calculate the magnitude of particle acceleration
  • · Replies 3 ·
Replies
3
Views
2K
Solving Statics Problems: Taking Hypotenuse & Tension
  • · Replies 8 ·
Replies
8
Views
5K
Quick Question: Electromagnetic Waves
  • · Replies 1 ·
Replies
1
Views
2K
How Does an Elevator Affect Apparent Weight?
  • · Replies 20 ·
Replies
20
Views
3K
What Phase Difference Causes Maximum SHM Separation Equal to Amplitude?
  • · Replies 5 ·
Replies
5
Views
14K
How Does Doppler Shift Explain the Beats Heard from a Moving Car?
  • · Replies 3 ·
Replies
3
Views
3K
What is the frequency of a gamma particle with an energy of 4.5 MeV?
  • · Replies 4 ·
Replies
4
Views
3K
What is the Torque on a Shoulder Joint Holding a Vacuum Cleaner at an Angle?
  • · Replies 6 ·
Replies
6
Views
7K
Calculate Maximum Force & Shortening of Femur Bone | Young's Modulus Help
  • · Replies 6 ·
Replies
6
Views
7K
Find distance using speed of sound
  • · Replies 12 ·
Replies
12
Views
34K
Latent heat, steam and ice question
  • · Replies 9 ·
Replies
9
Views
12K
Beer Bubble Rises: Find Volume Ratio - 65 characters
  • · Replies 1 ·
Replies
1
Views
5K
Destructive Interference with a Pebble
  • · Replies 2 ·
Replies
2
Views
6K
Prob. 51 Physics: Moment of Inertia for 10 kg Rolling Cylinder
  • · Replies 4 ·
Replies
4
Views
3K
How Does Bernoulli's Equation Determine the Discharge Rate from a Tank?
  • · Replies 1 ·
Replies
1
Views
17K
General Question about Solving Torque
  • · Replies 7 ·
Replies
7
Views
4K
Need help with hw problem (torque question)
  • · Replies 4 ·
Replies
4
Views
2K
What Color Would the Sun Appear If the Earth's Atmosphere Scattered Green Light?
  • · Replies 2 ·
Replies
2
Views
3K
Fluid Mechanics of swimming polar bear
  • · Replies 1 ·
Replies
1
Views
4K
Calculating Oxygen Volume in Hospital Tanks Using Ideal Gas Law
  • · Replies 1 ·
Replies
1
Views
3K
Conservation of Angular momentum
  • · Replies 1 ·
Replies
1
Views
3K
Solve Homework Questions on Point Sources & Mirrors
  • · Replies 3 ·
Replies
3
Views
4K
Work, Elastic and Kinetic Energy
  • · Replies 9 ·
Replies
9
Views
3K
Capacitor and voltage source in one?
  • · Replies 9 ·
Replies
9
Views
5K
Question 6: Finding Y for Point of Slipping Up the Plane
  • · Replies 9 ·
Replies
9
Views
5K
Electromagnetic Energy & Oxygen
  • · Replies 6 ·
Replies
6
Views
3K
What Velocity Cancels Electrostatic Repulsion Between Electrons?
  • · Replies 3 ·
Replies
3
Views
2K
Linear and anular momentum of a hydrogen electron
  • · Replies 1 ·
Replies
1
Views
13K
Circuits with parallel resistors
  • · Replies 3 ·
Replies
3
Views
3K
How Do You Calculate the Kinetic Energy of a Spinning Bicycle Wheel?
  • · Replies 2 ·
Replies
2
Views
2K
Kinetic theory of gasses Integration problem
  • · Replies 9 ·
Replies
9
Views
5K
What is the relationship between the acceleration and the angle of the slope?
  • · Replies 5 ·
Replies
5
Views
5K
Solving for the Depth of Release: Pressure on a Ball
  • · Replies 9 ·
Replies
9
Views
3K
What Factors Influence the Equilibrium Temperature of an Object?
  • · Replies 1 ·
Replies
1
Views
2K
Free Body Diagram of a Fish Swimming
  • · Replies 2 ·
Replies
2
Views
7K
Complicated Maxwell Boltzman Distribution Integration
  • · Replies 9 ·
Replies
9
Views
13K
Examining Terminal Velocity & Its Impact on Gyrocopter Descent
  • · Replies 2 ·
Replies
2
Views
4K
Time Space Diagram: Is Object B Moving Along x-Axis?
  • · Replies 3 ·
Replies
3
Views
3K
Inelastic collision and angular velocity
  • · Replies 1 ·
Replies
1
Views
8K
How Do Reaction Time and Braking Deceleration Affect Stopping Distance and Time?
  • · Replies 4 ·
Replies
4
Views
6K
Phase Change Diagram: Solved & Explained
  • · Replies 3 ·
Replies
3
Views
8K
What is the frequency of the car's vibration
  • · Replies 1 ·
Replies
1
Views
3K
Conservation of Linear and Angular Momentum
  • · Replies 5 ·
Replies
5
Views
4K
Electric PotentialFind the electric potential midway between the two charges
  • · Replies 3 ·
Replies
3
Views
3K
How Does Sound Intensity Change with Multiple Instruments?
  • · Replies 1 ·
Replies
1
Views
5K
Heat and max temperature Problem
  • · Replies 4 ·
Replies
4
Views
4K
Solving Cathode Ray Tube Homework with Mass, Speed & Magnetic Field
  • · Replies 1 ·
Replies
1
Views
4K
How Do You Calculate Specific Charge Without Given Charge and Mass?
  • · Replies 4 ·
Replies
4
Views
25K
Solving Partial Circuit: Determine Current as Function of Time
  • · Replies 16 ·
Replies
16
Views
8K
Force on a Negative Charge Q1 in the Presence of a Long Rod
  • · Replies 1 ·
Replies
1
Views
2K
Does the location of a switch affect current in a simple circuit?
  • · Replies 3 ·
Replies
3
Views
4K
Extremely Quick Question (2 or 1 second)
  • · Replies 5 ·
Replies
5
Views
2K
Standing waves and harmonic waves
  • · Replies 1 ·
Replies
1
Views
5K
Solving Torque and Force Homework Problems
  • · Replies 4 ·
Replies
4
Views
4K
What is the speed of propagation for a transverse wave on a string?
  • · Replies 2 ·
Replies
2
Views
3K
Need to find center of mass of a rod
  • · Replies 7 ·
Replies
7
Views
11K
Capacitors: Series Capacitance Concepts
  • · Replies 5 ·
Replies
5
Views
3K
Concept related Electrical circuit question
  • · Replies 1 ·
Replies
1
Views
3K
Determine the particle's equation of motion
  • · Replies 13 ·
Replies
13
Views
9K
How Do You Calculate Initial Angular Velocity with Constant Acceleration?
  • · Replies 3 ·
Replies
3
Views
4K
Angular Velocity of 15kg Plate After 180 Degree Rotation
  • · Replies 25 ·
Replies
25
Views
4K
Proportionality calculations (Coulombs Law)
  • · Replies 3 ·
Replies
3
Views
3K
How Do You Solve Gravity Fun Problems About Earth, Moon, and Sun?
  • · Replies 12 ·
Replies
12
Views
3K
Question about conservation of momentum
  • · Replies 3 ·
Replies
3
Views
2K
What is the wave speed of a transverse wave with given parameters?
  • · Replies 4 ·
Replies
4
Views
2K
Magnetic field inside hole in half a wire
  • · Replies 6 ·
Replies
6
Views
5K
How Do You Calculate Kinetic Friction on an Incline?
  • · Replies 1 ·
Replies
1
Views
2K